A B C D E F G H I J K L M N O P Q R S T U V W X Z
A
- AAI – Airport Authority of India
- ABG – Arterial Blood Gas
- ABM – Anti Balistic Missile
- ABP – Ananda Bazaar Patrika News
- ABS – Anti-lock Braking System
- AC – Alternating Current
- ACC – Associated Cement Companies
- ACD – Automatic Call Distributor
- ACP – Assistant Commissioner of Police
- ACS – American Chemical Society
- ACU – Asian Currency Union
- AD – Anno Domini
- ADB – Asian Development Bank
- ADHD – Attention Deficit Hyperactivity Disorder
- ADIDAS – Adolf “Adi” Dassler
- ADR – American Depository Receipt
- AHRC – Asian Human Rights Commission
- AIAAA – American Institute of Aeronautics and Astronautics
- AICTE – All India Council for Technical Education
- AIDS – Acquired Immune Deficiency Syndrome
- AJAX – Asynchronous JavaScript and XML
- ALS – Amyotrophic Lateral Sclerosis
- AM and PM – AM: Anti Meridiem, PM: Post Meridiem
- AM – Anti Meridiem
- AMC – Annual Maintenance Contract, American Motors Corporation
- AMIE – Associate Member of the Institution of Engineers
- AML – Acute Myeloid Leukemia
- AMUL – Anand Milk Union Limited
- AMW – Asian Motors Limited
- ANM – Auxiliary Nurse Midwifery
- API – Application Programming Interface
- APJ Abdul Kalam – Avul Pakir Jainulabdeen Abdul Kalam
- APK – Android Application Package
- ARDS – Acute Respiratory Distress Syndrome
- ARMD – Age Related Macular Degeneration
- ASAP – As Soon As Possible
- ASAT – Anti-satellite weapons
- ASCII – American Standard Code for Information Interchange
- ASEAN – Association of Southeast Asian Nations
- ASLV – Augmented Satellite Launch Vehicle
- ASP – Active Server Page
- ASR – Automated Speech Recognition
- ASTM – American Society for Testing and Materials
- AT&T – American Telephone & Telegraph Company
- ATA – Advanced Technology Attachment
- ATM – Automated Teller Machine
- ATP – Adenosine Triphosphate
- ATS – Anti-Terrorism Squad
- AWACS – Airborne Warning and Control System
- AYUSH – Ayurvedic, Yoga and Naturopathy, Unani, Siddha and Homeopathy
B
- B.Com – Bachelor of Commerce
- B.Ed – Bachelor of Education
- B.Tech – Bachelor of Technology
- BA – Bachelor of Arts
- BAE – Before Anyone Else
- BAMS – Bachelor of Ayurvedic Medicine and Surgery
- BARC – Bhaba Atomic Research Center
- BASIC – Beginner’s All-Purpose Symbolic Instruction Code
- BBA – Bachelor of Business Administration
- BBC – British Broadcasting Corporation
- BCA – Bachelor of Computer Applications
- BCCI – Board of Control of Cricket in India
- BCE – Before Common Era
- BCG – Bacillus Calmette-Guerin
- BDO – Block Development Officer
- BDS – Bachelor of Dental Surgery
- BE – Bachelor of Engineering
- BFSI – Banking, Financial Services, and Insurance
- BHIM – Bharat Interface for Money
- BHMS – Bachelor of Homeopathic Medicine and Surgery
- BIFR – Board of Industrial and Financial Reconstruction
- BIOS – Basic Input Output System
- BIS – Bureau of Indian Standards
- BKU – Bhartiya Kisan Union
- BLOB – Binary Large Object
- BMC – Brihanmumbai Municipal Corporation
- BMD – Bone Mineral Density
- BMI – Body Mass Index
- BMR – Basal Metabolic Rate
- BMS – Bachelor of Management Studies & Business Management System
- BMT – Bone Marrow Transplant
- BMW – Bavarian motor Works
- BMW – Bayerische Motoren Werke
- BOB – Bank of Baroda
- BODMAS – Bracket, of, Division, Multiplication, Addition and Subtraction
- BPL – Below Poverty Line & British Physical Laboratories Group
- BPO – Business Process Outsourcing
- BRB – Be Right Back
- BRICS – Brazil Russia India China And South Africa
- BRO – Border Road Organization
- BSC – Bachelor of Science, Base Station Controller
- BSF – Border Security Force
- BTC – Bodo Territorial Council
- BTS – Bangtan Sonyeondan
- BUN – Blood Urea Nitrogen
C
- CA – Chartered Accountant
- CAA – Citizenship Amendment Act
- CABG – Coronary Artery Bypass Graft
- CAD – Computer Aided Design
- CAG – Comptroller and Auditor General of India
- CAGR – Compound Annual Growth Rate
- CAIIB – Certified Associate of Indian Institute of Bankers
- CAT – Common Admission Test
- CBC – Complete Blood Count
- CBI – Central bureau of Investigation & Central Bank of India
- CBSE – Central Board of Secondary Education
- CC – Cubic Capacity/ Cubic Centimeter, Carbon Copy
- CCA – City Compensatory Allowance
- CCC – Course on Computer Concepts
- CCIL – Clearing Corporation of India Limited
- CCTV – Closed Circuit Television
- CD – Compact Disc
- CDMA – Code Division Multiple Access
- CEO – Chief Executive Officer
- CFA – Chartered Financial Analyst
- CFL – Compact fluorescent lamp
- CFO – Chief Financial Officer
- CFT – Complement Fixation Test
- CGI – Computer Generated Imagery
- CGL – Combined Graduate Level
- CGPA – Cumulative Grade Point Average
- CHF – Congestive Heart Failure
- CIA – Central Intelligence Agency
- CIBIL – Credit Information Bureau (India) Limited
- CID – Crime Investigation Department
- CID – Crime Investigation Department
- CIF – Customer Information File
- CII – Confederation of Indian Industry
- CISF – Central Industrial Security Force
- CMA – Credit Monitoring Analysis
- CML – Chronic Myelogenous Leukemia
- CMO – Chief Medical Officer
- CMS – Content Management System
- CMV – Cytomegalovirus
- CNC – Computerized Numerical Control
- CNG – Compressed Natural Gas
- COB – Close of Business
- COBOL – Common Business Oriented Language
- COMPUTER – No Full Form
- COO – Chief Operating Officer
- COPD – Chronic Obstructive Pulmonary Disease
- COVID 19 – Corona Virus disease of 2019
- CPCB – Central Pollution Control Board
- CPM – Cost per Mile
- CPO – Central Police Organisation
- CPR – Cardio-Pulmonary Resuscitation
- CPT – Common Proficiency Test
- CPU – Central Processing Unit
- CRISIL – Credit Rating Information Services of India Limited
- CRM – Customer Relationship Management
- CRP – C-reactive protein
- CRPF – Central Reserve Police Force
- CRR – Cash Reserve Ratio
- CRT – Cathode Ray Tube
- CS – Company Secretary & Computer Science
- CSC – Common Service Centre
- CSE – Computer Science Engineering
- CSIR – Council of Scientific and Industrial Research
- CSR – Corporate Social Responsibility
- CSS – Cascading Style Sheet
- CST – Central Sales Tax, Chhatrapati Shivaji Terminus, Central Standard Time
- CTBT – Comprehensive Nuclear Test Ban Treaty
- CTC – Cost To Company
- CTO – Chief Technology Officer
- CTS – Cheque Truncation System & Clear to Send
- CV – Curriculum Vitae
- CVA – Cerebral Vascular Accident or Cerebrovascular Accident
D
- DC – Data Compression & Direct Current
- DCA – Diploma in Computer Application
- DCB – Development Credit Bank
- DDT – DichloroDiphenylTrichloroethane
- DEAF – Depositor Education and Awareness Fund
- DGP – Director General of Police
- DHCP – Dynamic Host Configuration Protocol
- DHL – Dalsey Hillblom Lynn
- DHT – Dihydrotestosterone
- DIG – Deputy Inspector General
- DIY – Do it Yourself
- DJ – Disc Jockey
- DJD – Degenerative Joint Disease
- DLF – Delhi Land and Finance
- DNA – Deoxyribonucleic Acid
- DNB – Diplomate of National Board
- DNS – Domain Name System
- DP – Display Picture
- DP – Display Picture & Data Processing
- DPI – Dots Per Inch
- DRDO – Defence Research and Development Organization
- DS Group – Dharampal Satyapal Group
- DSC – Digital Signature Certificate
- DSL – Digital Subscriber Line
- DSLR – Digital single Lens Reflex
- DSLR – Digital single-lens reflex
- DSP – Deputy Superintendent of Police
- DST – Department of Science & Technology
- DTP – Desk-Top Publishing, Distributed Transaction Processing
- DVC – Damodar Valley Corporation
- DVD – Digital Video Disc, Digital Versatile Disc
- DVT – Deep Vein Thrombosis
E
- EBRT – External Beam Radiation Therapy
- EBV – Epstein – Barr virus
- ECC – Excise Control Code
- ECE – Electronic and Communication Engineering
- ECG – Electrocardiogram
- ECR – Emigration Check Required
- ECS – Electronic Clearing Service
- ECT – Electroconvulsive Therapy
- ED – Enforcement Directorate
- EDGE – Enhanced Data Rates for GSM (Global System for Mobile) Evolution
- EDI – Electronic Data Interchange
- EDP – Electronic Data Processing
- EDTA – Ethylenediaminetetraacetic Acid
- EEE – Electrical and Electronics Engineering
- EEG – Electroencephalogram
- EJB – Enterprise Java Bean
- ELSS – Equity-linked Saving Scheme
- EMG – Electromyogram
- EMI – Equated Monthly Installment
- ENIAC – Electronic Numerical Integrator and Computer
- ENT – Ear Nose Throat
- EOD – End of the Day
- EPABX Full Form – Electronic Private Automatic Branch Exchange
- EPC – Engineering, Procurement and Construction
- EPFO – Employee Provident Fund Organization
- ERNET – Education and Research Network
- ERP – Enterprise Resource Planning
- ERP – Enterprise Resource Planning
- ESI – Employee’s State Insurance
- ESIC – Employees State Insurance Corporation
- ETA – Estimated Time of Arrival
- ETC – Et cetera
- EVS – Environmental Studies or Environmental Sciences
- EWS – Economically Weaker Section
F
- FOR – Freight on Road
- FATCA – Foreign Account Tax Compliance Act
- FAX – Facsimile
- FBI – Federal Bureau of Investigation
- FCCB – Foreign Currency Convertible Bond
- FCI – Food Corporation of India
- FDI – Foreign Direct Investment
- FEMA – Foreign Exchange Management Act
- FHR – Fetal Heart Rate
- FICCI – Federation of Indian Chambers of Commerce and Industry
- FIFA – Federation Internationale de Football Association
- FIR – First Information Report
- FM – Frequency Modulation
- FMCG – Fast-Moving Consumer Goods
- FOB – Free on Board
- FOMO – Fear of Missing Out
- FORTRAN – FORmula TRANslation
- FSSAI – Food Safety and Standards Authority of India
- FTP – File Transfer Protocol
- FUP – Fair Usage Policy
- FYI – For Your Information
- FYI – For Your Information
G
- GAIL – Gas Authority of India Limited
- GATE – Graduate Aptitude Test in Engineering
- GBP – Great Britain Pound
- GCC – GNU Compiler Collection
- GDP – Gross Domestic Product
- GFR – Glomerular Filtration Rate
- GIF – Graphics Interchange Format
- GIF – Graphics Interchange Format
- GIS – Geographic Information System
- GMO – Genetically Modified Organism
- GMT – Greenwich Mean Time
- GNM – General Nursing and Midwifery
- GNU – GNU’s Not UNIX
- GOOGLE – Global Organization Of Oriented Group Language Of Earth
- GPA – Grade Point Average
- GPRS – General Packet Radio Service
- GPS – Global Positioning System
- GRE – Graduate Record Examination
- GSLV – Geosynchronous Satellite Launch Vehicle
- GSM – Global System for Mobile communication
- GST – Goods and Service Tax
- GTT – Glucose Tolerance Test
- GUI – Graphical USer Interface
H
- HCL – Hindustan Computers Limited
- HD – High Definition
- HDFC – Housing Development Finance Corporation
- HDI – Human Development Index
- HDMI – High Definition Multimedia Interface
- HIV – Human Immunodeficiency Virus
- HP – Hewlett-Packard
- HR – Human Resources
- HSBC – Hong Kong and Shanghai Banking Corporation
- HSC – Higher Secondary Certificate & Higher Secondary School Certificate
- HSN – Harmonized System of Nomenclature
- HTC – High Tech Computer
- HTML – Hyper Text Markup Language
- HTTP – Hyper Text Transfer protocol
- HUDCO – Housing and Urban Development Corporation Limited
- HVAC – Heating Ventilation and Air Conditioning
- HVDC – High Voltage Direct Current Transmission
I
- IAC – Internal Acoustic Canal
- IAC – International Administration Centre
- IAS – Indian Administrative Service
- IATA – International Air Transport Association
- IB – Intelligence Bureau
- IBM – International Business Machines
- IBPS – Institute of Banking Personnel Selection
- IC – Integrated Circuit
- ICAR – Indian Council of Agricultural Research
- ICC – International Cricket Council
- ICD – Implantable Cardioverter-Defibrillator (ICD)
- ICDS – Integrated Child Development Services
- ICICI – Credit and Investment Corporation of India
- ICMR – Indian Council of Medical Research
- ICRA – Investment Information and Credit Rating Agency
- ICSE – Indian Certificate of Secondary Education
- ICT – Information and Communications Technology
- ICU – Intensive Care Unit
- ICWA – Institute of Cost & Works Accountants of India, Indian Child Welfare Act
- ID – Identity Document
- IDBI – Industrial Development Bank of India
- IDE – Integrated Development Environment & Integrated Drive Electronics
- IDFC – Infrastructure Development Finance Company
- IEC – International Electrotechnical Commission
- IED – Improvised Explosive Device
- IEEE – Institute of Electrical and Electronics Engineers
- IELTS – International English Language Testing System
- IES – Indian Engineering Services
- IFFCO – Indian Farmers Fertilizer Cooperative Limited
- IFS – Indian Foreign Service
- IFSC – Indian Financial System Code
- IFSC – Indian Financial System Code
- IG – Inspector General of Police
- IGST – Integrated Goods and Services Tax
- IIFL – India Infoline Finance Limited
- IIT – Indian Institute of Technology
- IKR – I know, Right?
- IL&FS – Infrastructure Leasing & Financial Services
- IMA – Indian Military Academy & Indian Medical Association
- IMAO – In My Arrogant Opinion
- IMDb – Internet Movie Database
- IMEI – International Mobile Equipment Identity
- IMF – International Monetary Fund
- IMO – In My Opinion & International Maritime Organization
- INDIA – No, but can be termed as Independent National Democratic Intelligent Area
- INR – Indian Rupee
- INS – Indian Navy Ship
- INTERNET – Interconnected Network
- IOC – International Olympic Committee
- IP – Internet Protocol
- IPC – Interprocess Communication
- IPCC – Integrated Professional Competence Course
- IPI – International Press Institute
- IPL – Indian Premier League
- IPL – Indian Premier League
- IPO – Initial Public Offering
- IPS – Indian Police Service, In-Plane Switching, Intrusion Prevention System
- IQ – Intelligence Quotient
- IRCTC – Indian Railways Catering and Tourism Corporation
- IRDA – Insurance Regulatory and Development Authority & Infrared DATA Association
- IRDP – Integrated Rural Development Programme
- IRS – Indian Revenue Service
- ISC – Indian School Certificate
- ISD – International Subscriber Dialing
- ISI – Indian Standards Institute
- ISKCON – International Society for Krishna Consciousness
- ISO – International Organization for Standardization
- ISP – Internet Service Provider
- ISRO – Indian Space Research Organization
- IT – Information Technology & Income Tax
- ITBP – Indo-Tibetan Border Police
- ITC – Indian Tobacco Company, International Trade Center, Independent Telephone Company
- ITES – Information Technology Enabled Services
- ITI – Industrial Training Institute
- ITIL – Information Technology Infrastructure Library
- ITP – Idiopathic Thrombocytopenic Purpura
- IUCN – International Union for Conservation of Nature
- IUPAC – International Union of Pure and Applied Chemistry
- IVF – IN Vitro Fertilization
- IVR – Interactive Voice Response
J
- JAIIB – Junior Associate of the Indian Institute of Bankers
- JBL – James Bullough Lansing
- JCB – Joseph Cyril Bamford
- JCV – John Cunningham Virus
- JEE – Joint Entrance Examination
- JK Tyre – Juggilal Kamlapat Ji Tyres
- JNU – Jawaharlal Nehru University
- JPG – Joint Photographic Experts Group
- JSF – JavaServer Faces
- JSON – JavaScript Object Notation
- JVD – Jugular Vein Distension
K
- KEI – Krishna Electricals Industries Limited
- KFC – Kentucky Fried Chicken
- KGF – Kolar Gold Fields
- KPI – Key Performance Indicator
- KPMG – KLYNVELD PEAT MARWICK GOERDELER
- KPO – Knowledge Process Outsourcing
- KRA – Key Result Area/ Key Responsibility Area
- KRPL – Khushi Ram Behari Lal Limited
- KTM – Kraftfahrzeuge Trunkenpolz Mattighofen
- KYC – Know Your Customer
- Kbps – Kilobits per second
L
- L&T – Larsen and Toubro
- LASER – Light Amplification by Stimulated Emission of Radiation
- LBS – Pound-Mass or Pound & Location Based Service
- LCD – Liquid Cristal Display
- LDL – Low Density Lipoprotein
- LED – Light Emitting Diode
- LFT – Liver Function Tests
- LG – Lieutenant Governor, Lucky Goldstar
- LGBT – Lesbian, Gay, Bisexual, Transgender
- LIC – Life Insurance Corporation of India
- LKG – Lower Kindergarten
- LLB – Legum Baccalaureus in Latin, Bachelor of Laws
- LLM – Legum Magister
- LLP – Limited Liability Partnership
- LMAO – Laughing My A** Off
- LMFAO – Laughing My Fucking Ass Off
- LOL – Laughing Out Loud
- LOVE – No, but can be Life’s Only Valuable Emotion, Long Lasting Original Valuable Emotion
- LPG – Liquefied Petroleum Gas
- LTE – Long Term Evolution
M
- MAC – Media Access Control Address
- MBA – Master of Business Administration
- MBBS – Bachelor of Medicine, Bachelor of Surgery (Medicinae Baccalaureus, Baccalaureus Chirurgiae in Latin)
- MBPS – Megabits per Second
- MC – Menstrual Cycle
- MCA – Master of Computer Application
- MCB – Miniature Circuit Breaker
- MCH – Mean Corpuscular Haemoglobin
- MCLR – Marginal Cost of Funds based Lending Rate
- MD – Doctor of Medicine
- MGNREGA – Mahatma Gandhi National Rural Employment Guarantee Act
- MHA – Ministry of Home Affairs
- MICR – Magnetic Ink Character Recognition
- MIS – Management Information System
- MLA – Member Of Legislative Assembly
- MLA – Member of Legislative Assembly
- MLC – Member of the Legislative Council
- MMID – Mobile Money Identifier
- MMR – Measles Mumps and Rubella
- MMS – Multimedia Messaging Service
- MOU – Memorandum of Understanding
- MPEG – Moving Picture Experts Group
- MR – Medical Representative
- MRF – Madras Rubber Factory
- MRI – Magnetic Resonance Imaging
- MRP – Maximum Retail Price
- MS – Master of Science , Master of Surgery , MicroSoft
- MSC – Mobile Switching Center & Master of Science
- MSME – Ministry of Micro, Small and Medium Enterprises
- MTNL – Mahanagar Telephone Nigam Limited
- MTS – Microsoft Transaction Server
- MoES – Ministry of Earth Sciences
N
- NAAC – National Assessment and Accreditation Council
- NABARD – National Bank for Agriculture and Rural Development
- NABH – National Accreditation Board for Hospitals & Healthcare Providers
- NAC – Network Access Control
- NACH – National Automated Clearing House Payment Solution
- NASA – National Aeronautics and Space Administration
- NASDAQ – National Association of Securities Dealers Automated Quotations
- NATO – North Atlantic Treaty Organization
- NBFC – Non-Banking Financial Companies
- NCC – National Cadet Corps
- NCERT – National Council of Educational Research and Training
- NCR – National Capital Region
- NCR – National Capital Region
- NDA – National Defence Academy, National Democratic Alliance
- NDRF – National Disaster Response Force
- NDTV – NEW DElhi Television
- NDTV – New Delhi Television
- NEET – National Eligibility-cum-Entrance Test
- NEFT – National Electronic Fund Transfer
- NEFT – National Electronic Funds Transfer
- NET – National Eligibility Test
- NFC – Near Field Communication
- NGO – Non-Governmental Organization
- NIA – National Investigation Agency
- NIC – National Informatics Centre
- NIFTY – National Stack Exchange Fifty
- NIIT – National Institute of Information Technology
- NOC – No Objection Certificate
- NOTA – None of the Above
- NPA – Non Performing Assets
- NPCI – National Payments Corporation of India
- NPR – National Population Register
- NRI – Non-Resident Indian
- NSA – National Security Advisor
- NSDL – National Securities Depository Limited
- NSE – National Stock Exchange
- NSS – National Service Scheme
- NSUI – National Students’ Union of India
- NTG – Nitroglycerin
- NTPC – National Thermal Power Corporation
O
- OCD – Obsessive-Compulsive Disorder
- OCR – Optical Character Recognition
- OECD – Organization for Economic Co-operation and Development
- OEM – Original Equipment Manufacturer
- OK – Olla Kalla or Oll Korrect
- OMR – Optical Mark Recognition
- ONGC – Oil and Natural Gas Corporation
- OOTD – Outfit of the Day
- OP – Overpowered
- OPD – Outpatient Department
- OPEC – Organization of Petroleum Exporting Countries
- OSA – Obstructive Sleep Apnea
- OTP – One-time Password
- OTT – Over the Top
P
- PAC – Provincial Armed Constabulary
- PAN – Permanent Account Number
- PAN – Permanent Account Number
- PBX – Private Branch Exchange
- PCB – Printed Circuit Board
- PCC – Police Clearance Certificate
- PCI – Press Council of India
- PCO – Public Call Office
- PCOD – Polycystic Ovarian Disease
- PCR – Polymerase Chain Reaction
- PCS – Provincial Civil Service
- PCS – Provincial Civil Service
- PDA – Personal Digital Assistant
- PDF – Portable Document Format
- PET – Polyethylene Terephthalate
- PFA – Please Find Attachment, Predictive Failure Analysis
- PFMS – Public Financial Management System
- PG – Paying Guest
- PGDCA – Post Graduate Diploma in Computer Application
- PGDM – Post Graduate Diploma in Management
- PH – Potential of Hydrogen
- PHD – Doctor of Philosophy
- PHP – Hypertext Preprocessor (earlier called, Personal Home Page)
- PID – Pelvic Inflammatory Disease
- PIL – Public Interest Litigation
- PIN – Personal Identification Number
- PIN – Personnel Identification Number
- PING – Packet InterNet Groper
- PKC – Public Key Cryptography
- PKD – Polycystic Kidney Disease
- PM – Post Meridiem
- PMS – Premenstrual Syndrome
- PNB – Punjab National Bank
- PNG – Portable Graphics Network
- PNG – Portable Network Graphics
- PNR – Passenger Name Record
- PO – Probationary Officer & Post Office
- POC – Proof of Concept
- POS – Point of Sale
- PS – Postscript
- PSC – Public Service Commission
- PSI – Pound per Square Inch & Population Services International
- PSLV – Polar Satellite Launch Vehicle
- PSU – Public Sector Undertaking, Power Supply Unit
- PTO – Please Turn Over & Paid Time Off
- PTSD – Post-Traumatic Stress Disorder
- PUBG – Public Works Department
- PUC – Pollution Under Control , Pre University Course , Personal Unlock Code
- PVC – Poly Vinyl Chloride
- PVR – Priya Village Roadshow
- PWD – Public Works Department
Q
- QR Code – Quick Response Code
R
- RAC – Reservation Against Cancellation
- RADAR – Radio Detection And Ranging
- RAM – Random Access Memory
- RAW – Research and Analysis Wing
- RBC – Red Blood Cell
- RBL – Ratnakar Bank Limited
- RDX – Research Department Explosive / Royal Demolition Explosive
- RERA – Real Estate Regulatory Authority
- RFID – Radio Frequency Identification
- RHD – Rheumatic Heart Disease
- RIP – Rest In Peace, Routing Information Protocol
- RNA – Ribonucleic Acid
- RO,UV,UF – Reverse Osmosis , Ultraviolet , Ultrafiltration
- ROFL – Rolling On Floor Laughing
- RPM – Revolutions Per Minute
- RRB – Railway Recruitment Board
- RSA – Rivest, Shamir, Adleman
- RSS – Really Simple Syndication, Rashtriya Swayamsevak Sangh
- RSVP – Repondez s’il vous plait
- RTGS – Real-Time Gross Settlement
- RTI – Right to Information
- RTO – Regional Transport Office/ Road Transport Office
S
- SAARC – South Asian Association for Regional Cooperation
- SAP – systems, applications and products
- SAS – Statistical Analysis Software
- SAT – Scholastic Aptitude Test, Scholastic Assessment Test
- SATA – Serial Advanced Technology Attachment
- SBI – State Bank of India
- SCADA – Supervisory Control and Data Acquisition
- SCUBA – Self-Contained Underwater Breathing Apparatus
- SDK – Software Development Kit
- SDM – Sub Divisional Magistrate
- SDO – Sub Divisional Officer
- SEBI – Securities and Exchange Board of India
- SENSEX – Stock Exchange Sensitive Index
- SEO – Search Engine Optimization
- SGOT – Serum Glutamic Oxaloacetic Transaminase
- SGPT – Serum Glutamic Pyruvic Transaminase
- SHO – Station House Officer
- SI – Sub Inspector
- SIDBI – Small Industries Development Bank of India
- SIM – Subscriber Identity Module
- SIP – Systematic Investment Plan
- SIT – Special Investigation Team
- SKU – Stock Keeping Unit
- SLA – Service Level Agreement
- SLR – Single Lens Reflex, Statutory Liquidity Ratio
- SME – Small and Medium-sized Enterprises
- SMH – Shake My Head
- SMPS – Switched-Mode Power Supply / Switching Mode Power Supply
- SMS – Short Message Service
- SMTP – Simple Mail Transfer Protocol
- SONAR – Sound Navigation and Ranging
- SOP – Standard Operating Procedure
- SOS – Save Our Souls
- SP – Superintendent of Police
- SPG – Special Protection Group
- SPSS – Statistical Package for the Social Sciences
- SQL – Structured Query Language
- SSB – Service Selection Board
- SSC – Secondary School Certificate, Staff Selection Commission
- SSD – Solid State Drive
- SSL – Secure Sockets Layer
- SSLC – Secondary School Leaving Certificate
- STD – Subscriber Trunk Dialing, Sexually Transmitted Diseases
- STP – Sewage Treatment Plant
- SUV – Sport Utility Vehicle
- SWAT – Special Weapons and Tactics
T
- TA & DA – Travelling Allowance & Dearness Allowance
- TAFE – Tractors and Farm Equipment
- TAN – Tax Deduction and Collection Account Number
- TAT – Turn Around Time
- TB – Tuberculosis
- TBH – To Be Honest
- TBI – Traumatic Brain Injury
- TBT – Throwback Thursday
- TCP/IP – Transmission Control Protocol/Internet Protocol
- TCS – Tata Consultancy Services
- TDR – Ticket Deposit Receipt , Term Deposit Receipt , Time Domain Reflectometer
- TDS – Tax Deducted At Source
- TDS – Tax Deducted at Source
- TFT – Thin Film Transistor
- TGT – Trained Graduate Teacher
- TIN – Taxpayer Identification Number
- TLC – Total Lung Capacity
- TOEFL – Test of English as a Foreign Language
- TOI – Times of India
- TPA – Third Party Administrator
- TRAI – Telecom Regulatory Authority of India
- TRP – Television Rating Point
- TRP – Television Rating Point
- TT – Tetanus Toxoid
- TTYL – Talk To You Later
- TVS – Thirukkurungudi Vengaram Sundram
U
- UAE – United Arab Emirates
- UCO Bank – United Commercial Bank
- UDP – User Datagram Protoco
- UGC – University Grants Commission
- UIDAI – Unique Identification Authority of India
- UKSA – United Kingdom Space Agency
- UML – Unified Modeling Language
- UNDP – United Nations Development Programme
- UNESCO – United Nations Educational, Scientific and Cultural Organization
- UNICEF – United Nations Children’s Fund
- UNO – United Nations Organization
- UPA – United Progressive Alliance, United Production of America
- UPI – Unified Payment Interface
- UPS – Uninterruptible Power Supply
- UPSC – Union Public Service Commission
- URL – Uniform Resource Locator
- USA – United States of America
- USB – Universal Serial Bus
- USB – Universal Serial Bus
- USFDA or FDA – United States Food and Drug Administration
- USP – Unique Selling Proposition
- USSD – Unstructured Supplementary Service Data
- USSR – Union of Soviet Socialist Republics
- UTI – Urinary Tract Infection
V
- VAT – Value Added Tax
- VFX – Visual Effects
- VGA – Video Graphics Array
- VHDL – VHSIC (Very High Speed Integrated Circuit) Hardware Description Language
- VIP – Very Important Person
- VIRUS – Vital Information Resources Under Seize
- VISA – charta visa, lit in Latin
- VLC – VideoLAN Client
- VPI – Virtual Path Identifier
- VTU – Visvesvaraya Technological University
- Volte – Voice over Long Term Evolution
W
- WBC – White Blood Cell
- WEF – World Economic Forum, With Effect From
- WIFI – Wireless Fidelity
- WIPO – World Intellectual Property Organization
- WIPRO – Western India Products
- WPA – Wi-Fi Protected Access
- WWF – World Wide Fund for Nature, World Wrestling Federation
- WWW – World Wide Web
X
- XML – eXtensible Markup Language
- XMPP – Extensible Messaging and Presence Protocol
Y
- YB – Yotta-bytes
- YAHOO – Yet Another Hierarchy of Officious Oracle / Yet Another Hierarchically Organized Oracle
Z
- ZB – Zetta-bytes
- ZEV – Zero Emission Vehicle
- ZIF – Zero-Insertion-Force
- ZIP – Zigzag Inline Package
- ZIP – Zone Improvement Plan